Truck rack



FIG. 1 is a front right perspective view of a first embodiment of a truck rack showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a sectional view thereof taken on line 6—6 of FIG. 3; and,

FIG. 7 is a front elevational view thereof.

The phantom lines in FIG. 1 are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a truck rack, as shown and described. 